Angularjs Ng Repeat Object Keys

Teaching yourself to code in prison. As docs state it. If you re assign the variable value inside your loop you are not changing what is inside of arrayofvalues you are just re pointing value to a new object.

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This can be done using parenthesis in the ng repeat directive to explicitly ask for a key value pair parameter from angularjs.

Angularjs ng repeat object keys. The javascript specification does not define the order of keys returned for an object so angularjs relies on the order returned by the browser when running. Declarative templates with data binding mvc dependency injection and great testability story all implemented with pure client side javascript. Mikeharrison ng repeat is essentially iterating over the object and returning key value pairs. Each instance of the repetition is given its own scope which consist of the current item.

The collection must be an array or an object. If you have an collection of objects the ng repeat directive is perfect for making a html. Think of it like for var value in arrayofvalues. As it turns out there s no way to stop this in angularjs 1 3 by default.

The set of html will be repeated once per item in a collection. By default angular orders this alphabetically but this wasn t what we wanted in the project at all. The task is to iterate over a js object its keys and values using the ng repeat directive. The overflow blog podcast 264.

I ve filed a bug feel free to 1 ecmascript does not specify order in which keys should be iterated however all major browsers implement objects as linked hash map preserves order and a lot of js libraries depend on this behavior and so we ve got used to it and it s hardly going to change. Angularjs is what html would have been had it been designed for building web apps. Here the variable key contains the key of the object and value contains the value of the object. Key value in expression where key and value can be any user defined identifiers and expression is the scope expression giving the collection to enumerate.

The ng repeat directive repeats a set of html a given number of times. The custom start and end points for ngrepeat also support all other html directive syntax flavors provided in angularjs such as data ng repeat start x ng repeat start and ng repeat. I was working on a project that called for an object to be used with ng repeat. Browse other questions tagged javascript angularjs frameworks ng repeat angular filters or ask your own question.